LAC 35:I.1759. Taking of Samples

A. All containers previously used for specimens shall be thoroughly cleaned in the commission chemist's laboratory and shall be sealed with the laboratory stamp which shall not be broken except in the presence of the witness. Only water, with or without acetic acid, shall be used to moisten gauze used in collection of saliva. Instruments and utensils used in the taking of samples shall be sterilized after each use.